Democratic socialists are committed to destroying the voluntary and naturally-occurring relationships that develop in the marketplace among consenting human beings. They do it through relentless wealth redistribution programs.
The ECB has surrendered and is turning toward even more aggressive easy-money policy as the euro economy slows. Meanwhile, President Trump attempted to use the move to put additional pressure on the Fed to ratchet up its own QE plans.
The resurgent claim that the modern economy was built on slavery is yet another attempt to attack capitalism while also claiming "we are all to blame" for slavery. The slave owners of old tried a very similar tactic.
Central bankers like Alan Greenspan seem to think central bankers can be trusted to act with restraint. That's a risky plan, especially given that true and reliable constraints could be put on the money supply by adopting commodity money.